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ATX motherboard with white and silver heatsinks, black PCB, large VRM covers, four DDR5 slots, multiple M.2 shields

ASUS

ASUS ROG STRIX X870-A GAMING WIFI AMD motherboard 16+2+2 power stages Dynamic OC Switcher

SKU CH-BECE-8CVZY

AMD AM5 ATX board with 16+2+2 90A power stages, Dynamic OC Switcher, AI overclocking, dual PCIe 5.0 M.2 slots, USB4 and WiFi 7

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD X870
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryDDR5 4400
  • Ready for AI workloads with power and connectivity for demanding applications
  • Supports Ryzen 7000 8000 and 9000 series processors on AM5 socket
  • AI Overclocking AI Cooling II AI Networking and AEMP simplify setup and boost performance
  • 16+2+2 power stages rated 90A with dual ProCool II connectors for multi-core stability
  • Four M.2 slots including two PCIe 5.0 and two PCIe 4.0 all with substantial cooling

X870 ATX Motherboard for AM5 Ryzen

The ASUS ROG STRIX X870-A GAMING WIFI is an ATX motherboard built around the AMD X870 chipset and AM5 socket. It supports Ryzen 7000, 8000 and 9000 series processors with a 16+2+2 power stage design rated for 90A per stage. Dual ProCool II connectors and alloy chokes deliver stable current for multi-core workloads.

Suits AI and high-speed storage builds.

This board targets enthusiasts assembling advanced AI PCs or high-throughput workstations. Four M.2 slots — two PCIe 5.0 and two PCIe 4.0 — plus dual USB4 Type-C and a USB 20Gbps front-panel connector provide abundant bandwidth. Builders using smaller chassis or older Ryzen CPUs should consider a different form factor or chipset.

Verify AM5 cooler clearance and DDR5 EXPO memory

Before ordering, confirm your CPU cooler fits the AM5 socket keep-out zone and that your case accommodates a full-size ATX board. The four 288-pin DDR5 slots support up to 192GB and speeds beyond 8000 MT/s with EXPO modules. Ensure your power supply provides dual 8-pin CPU connectors for the ProCool II headers.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $153.99
Cheaper than about 61% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineROG STRIX X870-A GAMING WIFI
Model name90MB1IF0-M0AAY0
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD X870
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryDDR5 4400
Max supported RAM192 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
SATA and RAID support* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Function is only supported by AMD Ryzen™ 9000 series CPU.
Audio & video
Audio chipROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make s
Sound channels7.1 Channels
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCIe 4.0 x16 slotsAMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
Onboard USB headers1 x USB 20 Gbit/s connector (supports USB Type-C)
2 x USB 5 Gbit/s headers support 4 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Questions about this item

Which DDR5 memory speed and capacity does the board support out of the box?

The board runs DDR5 at 4400 MT/s natively and accepts up to 192 GB across four 288-pin slots in dual-channel mode.

Will my existing PCIe 4.0 graphics card run at full speed in the primary x16 slot?

With a Ryzen 9000 or 7000 series CPU the primary slot operates at PCIe 5.0 x16; a PCIe 4.0 card will run at its native 4.0 x16 speed without bottleneck.

How can I verify the 16+2+2 power stages are active after assembly?

Enter the UEFI and open the AI Overclocking or Hardware Monitor section; it reports real-time current on each of the 90 A stages, confirming the VRM is delivering power.

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